iO HVAC Controls D-Z1-1210 Zone One 12 X 10 Damper AssemblyiO HVAC Controls D Z1 1210 ACTUATORS ARE INSTALLED ON 2ND DIMENSION Zone One 12 x 10 Damper Assembly Height: 12 Width: 10 Total Size: 12 x 10 Actuator Placement on the dimension: 10 Additional Information Item NumberD Z1 1210 BrandiO HVAC Controls MotorizedYes ShapeRectangular Size (in)12 x 10 Spring ReturnNon Spring Return TypeRectangular Dampers